For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
2.4GHz 802.11b Zero-IF Transceiver
with Integrated PA and Tx/Rx Switch
MAX2822
ABSOLUTE MAXIMUM RATINGS
V
CC
Pins to GND ...................................................-0.3V to +3.6V
RF I/O: RFP, RFN (current into pin).....................................50mA
Baseband Inputs: TX_BBIP, TX_BBIN, TX_BBQP,
TX_BBQN to GND ..................................-0.3V to (V
CC
+ 0.3V)
Baseband Outputs: RX_BBIP, RX_BBIN, RX_BBQP,
RX_BBQN to GND ..................................-0.3V to (V
CC
+ 0.3V)
Analog Inputs: RX_AGC, TX_GC, TUNE, ROSCN,
ROSCP to GND ......................................-0.3V to (V
CC
+ 0.3V)
Analog Outputs: PWR_DET, CP_OUT
to GND....................................................-0.3V to (V
CC
+ 0.3V)
Digital Inputs: RX_ON, TX_ON, SHDNB, CSB, SCLK,
DIN, RF_GAIN, RX_1K to GND...............-0.3V to (V
CC
+ 0.3V)
Bias Voltages: RBIAS, BYP ..................................+0.9V to +1.5V
Short-Circuit Duration Digital Output: DOUT ..........................10s
RF Input Power ...............................................................+10dBm
Continuous Power Dissipation (T
A
= +70°C)
48-Lead QFN (derate 27.0mW/°C
above +70°C) ......2162mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(MAX2822 EV kit: V
CC
= +2.7V to +3.0V, RF_GAIN = V
IH
, 0V
≤
V
TX_GC
≤
+2.0V, 0V
≤
V
RX_AGC
≤
+2.0V, R
BIAS
= 12kΩ, no input sig-
nals at RF and baseband inputs, RF I/O terminated into 50Ω though a 2:1 balun, receiver baseband outputs are open, transmitter
baseband inputs biased at +1.2V, registers set to default power-up settings, T
[i=s]This post was last edited by 595818431 on 2014-6-24 18:53[/i] I have graduated and am selling some rarely used boards at a low price~~If you need them, please give me a thumbs up. Buy a board and...
[size=4]Before talking about the bus, we should first understand what the bus is. Baidu's complete definition is: the bus is a public communication trunk line for transmitting information between vari...
Due to the needs of my new job, I started to design MSP430 instruments a month ago. I haven't touched a microcontroller for three years, and I'm starting to get familiar with the instructions again. M...
The following error occurs when executing #make: ismounted.c:146: dereferencing pointer to incomplete type ismounted.c:146: dereferencing pointer to incomplete type make[2]: *** [ismounted.o] Error 1 ...
Li Fang, Li Zheng, Ke XizhengSchool of Automation and Information Engineering, Xi'an University of Technology, Xi'an, Shaanxi 710048As we all know, the modern trend of electronics is to reduce the siz...
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
Puttshack's Trackaball uses the Nordic nRF54L15 system-on-chip (SoC) to monitor sensors and enable Bluetooth low energy connectivity, while the nPM2100 power management integrated circuit (PMIC) ...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
On August 20, it was reported that the specifications of Intel's upcoming Panther Lake mobile processor appeared on the Intel GFX CI website, which mainly focuses on Intel's open source Linux drive...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
Let’s first take a look at the development concept of the EVD series.
The EVD control module is specially developed for operation in extreme environments. Components that meet these requiremen...[Details]
Industrial equipment plays a significant role in improving industrial automation and accelerating production efficiency. Industrial HMIs (Human-Machine Interfaces) serve as a communication platform...[Details]
Compared to gasoline-powered vehicles, electric vehicles have a simpler structure, allowing for greater flexibility in the layout of various components. While electric and gasoline-powered vehicles...[Details]
introduction
Whether in the automotive entertainment or home theater system markets, consumers continue to demand more channels and speakers, each capable of handling higher audio po...[Details]
Samsung Display has recently signed a contract with Tesla (US) to supply OLED (organic light-emitting diode) panels for the facial display of Tesla's humanoid robot, Optimus Prime. According to Pho...[Details]
Modern automotive electronics have entered a new phase of fundamental change and advancement, evolving from the application of electronic components to in-vehicle electronic systems. Sensors are on...[Details]
This article describes how to achieve constant-pressure water supply through PID control using an Allen-Bradley PLC-5 processor in conjunction with a SAMI STAR inverter. To ensure safe and reliable...[Details]
Central media outlets published an article: H20 is neither environmentally friendly, advanced, nor secure.
Recently, the new media account "Yuyuan Tantian" under China Central Television...[Details]
Security Use Cases and Implementation: Ensuring Future Security
By Manoj Rajashekarah, Chief
summary
In our previous article, "Securing the Future of Robotics: The Role of Cy...[Details]
On August 8th, the World Robotics Conference 2025 (WRC 2025) grandly opened at the Beijing Beiren Yichuang International Exhibition Center. Co-hosted by the China Electronics Society and the World ...[Details]